From waste to energy - Photocatalytic anaerobic degradation of microplastics to generate hydrogen

05 April 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Microplastics are very prominent pollutants in our environment, and the reduction of microplastics waste in a huge task for our society. Here, microplastics are used as hydrogen source to generate the green energy carrier hydrogen from anaerobic photocatalysis. Using P25 TiO2 as typical photocatalyst, we show that as used model microplastics can act as solid sources for hydrogen. The highest hydrogen evolution rate was observed when LDPE or PET were used, leading to stable hydrogen evolution for several hours.

Keywords

Hydrogen
microplastics

Supplementary materials

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supporting information
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additional measurements: photocatalytic control experiments, absorption spectra, SEM images, IR spectra
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